A toilet bowl water flow adjustment system for controlling the water volume utilized to flush an existing toilet. In one embodiment, the decision on whether to skip the encoding of a region is based o an estimate of the energy of pixel values in the region andor en estimate of discrete cosine transform coefficients. A temperature of at least a portion of the matrix is at least about 80\xb0 C. The application framework further comprises an application manager comprising a receiving unit for receiving the event, e. 0 parts by weight, and a phosphorus type antioxidant in an amount of 0.